Use your calculator to evaulate e^-2. round your answer to to three decinal places.

a.) -7.389

b.) 0.135

c.) -5.436

d.) 0.084

Agroup of three friends order a combo meal which includes two slices of pizza and a drink each drink is priced at $2.50 the combined total of $31.50 how much is the cost of a slice of pizza